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PAGE 2 <br />FEBRUARY 10, 1993 <br />BARBARA PAVLIK <br />Page III-44 of the permit addresses the installation o1 the radio repeater site. Page IV-47 mentions <br />that '... various facilities were constructed in a Cashion similar to the parking lots'. Sediment is <br />controlled by a berm constructed in response to a DMG order during a field inspection. Copies of <br />pages III-44 and IV-47 are attached. <br />Page IV-16 of the permit addresses the transfer stations (belt turnover areas). A copy of this page <br />is attached. <br />Maps 109, 111 and 112 show the staging and laydown areas and the slot storage area. Page IV-55 <br />of the permit addresses runoff control along the conveyors and in the slot storage area. A wpy of <br />this page is attached. <br />The degas wells and sump dewatering holes should be treated as any other drill hole as far as the <br />surface disturbance is concerned. Page III-36 of the permit addresses the runoff control from such <br />areas during and after drilling. A copy of this page is attached. <br />As suggested by the Assessment Officer, WFU is willing to work with DMG on this small area <br />exemption issue as an 'administrative oversight' issue. WFU will submit the currently required <br />'demonstration of effluent quality' within 30 days of a formal request from DMG identifying the areas <br />requiring such demonstration. <br />This NOV has been stayed by the Assessment Officer. WFU has complied with the first requirement <br />of the NOV by submitting a plan to test the existing RP-4 refuse pile, and the policy for future <br />compaction testing. Table I shows the results of the pilot test conducted to detect any bias between <br />the Troxler reading before and after digging the refuse surface with a dozer. Six locations were <br />tested. Locations 1, 2 and 3 were tested at a depth of six feet. Locations 5, 6 and 7 were tested <br />at a depth of three feet. Readings were taken between the dozer tracts, on the dozer tracks, in the <br />badchoe trench (6' deep) and on the sidewalls (3' deep). The Troxler nuclear density meter read <br />an erroneously high percentage of moisture. The in-place dry density was corrected for moisture, <br />as recommended by Troxler, by determining the actual moisture content of the refuse material in the <br />lab. Earlier, two samples of refuse going to RP-4 were collected and sent to Lincoln-Devoie for the <br />determination of the maximum dry density. The results obtained were 89.9 and 90.1 Ibs/cubic ft. <br />Copies of Lincoln-Devoie's reports are also enclosed with this letter. The percentage compaction <br />has been computed to vary between 105.9% to 109.0% of the maximum dry density. The <br />compaction data are well above the minimum requirement of 90 percent. Although this was a pilot <br />test, the results show compaction well above the requirement, therefore, WFU requests that these <br />~e~h G <br />-~yru at. <br />`/ ~~~~ <br />~./> <br />